Chemistry of hydrothermal clasy and sulfides of ODP Site 106-649
Fuente:
PANGAEA
Enregistré dans:
| Auteurs principaux: | , , |
|---|---|
| Format: | Dataset Open Access |
| Langue: | en |
| Publié: |
PANGAEA
1990
|
| Sujets: | |
| Accès en ligne: | |
| Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
| _version_ | 1867168555808587776 |
|---|---|
| author | Gillis, Kathryn M Smith, Alan D Ludden, John N |
| author_facet | Gillis, Kathryn M Smith, Alan D Ludden, John N |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Several meters of unconsolidated hydrothermal sediment were recovered from the Snake Pit hydrothermal field during ODP Leg 106. Polymetallic sulfides comprise most of the sediment with minor fragments of massive sulfide, organic debris, clay minerals, and fresh glass shards. Trace element and Sr-isotope contents of hydrothermal clays and sulfides from Holes 649B and 649G indicate that these minerals precipitated from a mixed hydrothermal fluid-seawater solution. Evaluation of the REE mineral data and the Snake Pit hydrothermal fluids shows that the REE distribution coefficients between the hydrothermal fluids and clay-sulfide mixes range from 100-500. This indicates that hydrothermal fluids originating in the root-zone of the Snake Pit hydrothermal system may be modified by the precipitation of hydrothermal minerals, either in the shallow subsurface or within chimney structures. Contrasting REE profiles of clay-sulfide aggregates and massive sulfides from Holes 649B and 649G may be accounted for by spatial and/or temporal variations in redox conditions in the plumbing system. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_745435 |
| institution | PANGAEA |
| language | en |
| publishDate | 1990 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Chemistry of hydrothermal clasy and sulfides of ODP Site 106-649 Gillis, Kathryn M Smith, Alan D Ludden, John N 106-649B; 106-649G; DRILL; Drilling/drill rig; Joides Resolution; Leg106; North Atlantic Ocean; Ocean Drilling Program; ODP Several meters of unconsolidated hydrothermal sediment were recovered from the Snake Pit hydrothermal field during ODP Leg 106. Polymetallic sulfides comprise most of the sediment with minor fragments of massive sulfide, organic debris, clay minerals, and fresh glass shards. Trace element and Sr-isotope contents of hydrothermal clays and sulfides from Holes 649B and 649G indicate that these minerals precipitated from a mixed hydrothermal fluid-seawater solution. Evaluation of the REE mineral data and the Snake Pit hydrothermal fluids shows that the REE distribution coefficients between the hydrothermal fluids and clay-sulfide mixes range from 100-500. This indicates that hydrothermal fluids originating in the root-zone of the Snake Pit hydrothermal system may be modified by the precipitation of hydrothermal minerals, either in the shallow subsurface or within chimney structures. Contrasting REE profiles of clay-sulfide aggregates and massive sulfides from Holes 649B and 649G may be accounted for by spatial and/or temporal variations in redox conditions in the plumbing system. |
| title | Chemistry of hydrothermal clasy and sulfides of ODP Site 106-649 |
| topic | 106-649B; 106-649G; DRILL; Drilling/drill rig; Joides Resolution; Leg106; North Atlantic Ocean; Ocean Drilling Program; ODP |
| url | https://doi.org/10.1594/PANGAEA.745435 |